void qspi_init(void) {
// Configure pins
mp_hal_pin_config_alt_static_speed(MICROPY_HW_QSPIFLASH_CS, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_QUADSPI_BK1_NCS);
mp_hal_pin_config_alt_static_speed(MICROPY_HW_QSPIFLASH_SCK, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_QUADSPI_CLK);
mp_hal_pin_config_alt_static_speed(MICROPY_HW_QSPIFLASH_IO0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_QUADSPI_BK1_IO0);
mp_hal_pin_config_alt_static_speed(MICROPY_HW_QSPIFLASH_IO1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_QUADSPI_BK1_IO1);
mp_hal_pin_config_alt_static_speed(MICROPY_HW_QSPIFLASH_IO2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_QUADSPI_BK1_IO2);
mp_hal_pin_config_alt_static_speed(MICROPY_HW_QSPIFLASH_IO3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_QUADSPI_BK1_IO3);
// Bring up the QSPI peripheral
__HAL_RCC_QSPI_CLK_ENABLE();
QUADSPI->CR =
(MICROPY_HW_QSPI_PRESCALER - 1) << QUADSPI_CR_PRESCALER_Pos
| 3 << QUADSPI_CR_FTHRES_Pos // 4 bytes must be available to read/write
#if defined(QUADSPI_CR_FSEL_Pos)
| 0 << QUADSPI_CR_FSEL_Pos // FLASH 1 selected
#endif
#if defined(QUADSPI_CR_DFM_Pos)
| 0 << QUADSPI_CR_DFM_Pos // dual-flash mode disabled
#endif
| MICROPY_HW_QSPI_SAMPLE_SHIFT << QUADSPI_CR_SSHIFT_Pos
| MICROPY_HW_QSPI_TIMEOUT_COUNTER << QUADSPI_CR_TCEN_Pos
| 1 << QUADSPI_CR_EN_Pos // enable the peripheral
;
QUADSPI->DCR =
(MICROPY_HW_QSPIFLASH_SIZE_BITS_LOG2 - 3 - 1) << QUADSPI_DCR_FSIZE_Pos
| (MICROPY_HW_QSPI_CS_HIGH_CYCLES - 1) << QUADSPI_DCR_CSHT_Pos
| 0 << QUADSPI_DCR_CKMODE_Pos // CLK idles at low state
;
}
void HAL_QSPI_MspInit(QSPI_HandleTypeDef* hqspi)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(hqspi->Instance==QUADSPI)
{
/* USER CODE BEGIN QUADSPI_MspInit 0 */
/* USER CODE END QUADSPI_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_QSPI_CLK_ENABLE();
/**QUADSPI GPIO Configuration
PE10 ------> QUADSPI_CLK
PE11 ------> QUADSPI_NCS
PE12 ------> QUADSPI_BK1_IO0
PE13 ------> QUADSPI_BK1_IO1
PE14 ------> QUADSPI_BK1_IO2
PE15 ------> QUADSPI_BK1_IO3
*/
GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13
|GPIO_PIN_14|GPIO_PIN_15;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
/* USER CODE BEGIN QUADSPI_MspInit 1 */
/* USER CODE END QUADSPI_MspInit 1 */
}
}
void HAL_QSPI_MspInit(QSPI_HandleTypeDef *hqspi)
{
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable the QuadSPI memory interface clock */
__HAL_RCC_QSPI_CLK_ENABLE();
/* Reset the QuadSPI memory interface */
__HAL_RCC_QSPI_FORCE_RESET();
__HAL_RCC_QSPI_RELEASE_RESET();
/* Enable GPIO clocks */
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* QSPI CS GPIO pin configuration */
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* QSPI CLK GPIO pin configuration */
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* QSPI D0 GPIO pin configuration */
GPIO_InitStruct.Pin = GPIO_PIN_11;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* QSPI D1 GPIO pin configuration */
GPIO_InitStruct.Pin = GPIO_PIN_12;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* QSPI D2 GPIO pin configuration */
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
/* QSPI D3 GPIO pin configuration */
GPIO_InitStruct.Pin = GPIO_PIN_13;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/*##-3- Configure the NVIC for QSPI #########################################*/
/* NVIC configuration for QSPI interrupt */
HAL_NVIC_SetPriority(QUADSPI_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(QUADSPI_IRQn);
}
//--------------------------------------------------------------
// interne Funktion
//--------------------------------------------------------------
__weak void P_QSPI_MspInit(QSPI_HandleTypeDef *hqspi, void *Params) {
GPIO_InitTypeDef gpio_init_structure;
// qspi clock enable
__HAL_RCC_QSPI_CLK_ENABLE();
// qspi reset
__HAL_RCC_QSPI_FORCE_RESET();
__HAL_RCC_QSPI_RELEASE_RESET();
// gpio clock enable
UB_System_ClockEnable(QSPI_CS_GPIO_PORT);
UB_System_ClockEnable(QSPI_CLK_GPIO_PORT);
UB_System_ClockEnable(QSPI_D0_GPIO_PORT);
UB_System_ClockEnable(QSPI_D1_GPIO_PORT);
UB_System_ClockEnable(QSPI_D2_GPIO_PORT);
UB_System_ClockEnable(QSPI_D3_GPIO_PORT);
// QSPI CS GPIO pin configuration
gpio_init_structure.Pin = QSPI_CS_PIN;
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_HIGH;
gpio_init_structure.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(QSPI_CS_GPIO_PORT, &gpio_init_structure);
// QSPI CLK GPIO pin configuration
gpio_init_structure.Pin = QSPI_CLK_PIN;
gpio_init_structure.Pull = GPIO_NOPULL;
gpio_init_structure.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_CLK_GPIO_PORT, &gpio_init_structure);
// QSPI D0 GPIO pin configuration
gpio_init_structure.Pin = QSPI_D0_PIN;
gpio_init_structure.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_D0_GPIO_PORT, &gpio_init_structure);
// QSPI D1 GPIO pin configuration
gpio_init_structure.Pin = QSPI_D1_PIN;
gpio_init_structure.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_D1_GPIO_PORT, &gpio_init_structure);
// QSPI D2 GPIO pin configuration
gpio_init_structure.Pin = QSPI_D2_PIN;
gpio_init_structure.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_D2_GPIO_PORT, &gpio_init_structure);
// QSPI D3 GPIO pin configuration
gpio_init_structure.Pin = QSPI_D3_PIN;
gpio_init_structure.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_D3_GPIO_PORT, &gpio_init_structure);
// NVIC configuration for QSPI interrupt
HAL_NVIC_SetPriority(QUADSPI_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(QUADSPI_IRQn);
}
void HAL_QSPI_MspInit(QSPI_HandleTypeDef* hqspi)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(hqspi->Instance==QUADSPI)
{
/* USER CODE BEGIN QUADSPI_MspInit 0 */
/* USER CODE END QUADSPI_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_QSPI_CLK_ENABLE();
/**QUADSPI GPIO Configuration
PE2 ------> QUADSPI_BK1_IO2
PB6 ------> QUADSPI_BK1_NCS
PB2 ------> QUADSPI_CLK
PD12 ------> QUADSPI_BK1_IO1
PD13 ------> QUADSPI_BK1_IO3
PD11 ------> QUADSPI_BK1_IO0
*/
GPIO_InitStruct.Pin = QSPI_D2_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_D2_GPIO_Port, &GPIO_InitStruct);
GPIO_InitStruct.Pin = QSPI_NCS_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(QSPI_NCS_GPIO_Port, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
GPIO_InitStruct.Pin = QSPI_D1_Pin|QSPI_D3_Pin|QSPI_D0_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* USER CODE BEGIN QUADSPI_MspInit 1 */
/* USER CODE END QUADSPI_MspInit 1 */
}
}
